to make sth, especially information, shorter by leaving out the parts that are not important :
The original speech I had written got boiled down to about ten minutes.
to make sth, especially information, shorter by leaving out the parts that are not important :
The original speech I had written got boiled down to about ten minutes.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005